Finding the Fourth Proportional to 387,750.72, 534,877.44 and 226,571.52
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Solution
The fourth proportional to 387,750.72, 534,877.44 and 226,571.52 is: 312,540.99
Step by Step Solution
- Step 1: Write the proportion equation
387,750.72 : 534,877.44 = 226,571.52 : x - Step 2: Convert to fraction form
387,750.72/534,877.44 = 226,571.52/x - Step 3: Cross multiply
387,750.72x = 534,877.44 × 226,571.52 - Step 4: Simplify right side
387,750.72x = 121,187,994,594.51 - Step 5: Solve for x
x = 121,187,994,594.51/387,750.72 - Step 6: Final answer
x = 312,540.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.